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2025-12-03 - 07:46
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack7slot0.osadl.org (updated Wed Dec 03, 2025 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110050660,0irq/25-eth00-21swapper/119:06:381
117950650,0irq/26-eth1-rx-0-21swapper/319:07:573
110050560,0irq/25-eth00-21swapper/219:05:252
118050490,0irq/27-eth1-tx-0-21swapper/019:07:310
2709999200,0cyclictest0-21swapper/323:49:023
2709699170,0cyclictest7025-21sshd23:13:570
27096991615,0cyclictest3-21ksoftirqd/021:31:230
27099991514,0cyclictest0-21swapper/322:56:383
27099991514,0cyclictest0-21swapper/321:21:443
27097991514,0cyclictest0-21swapper/100:03:231
27097991512,0cyclictest0-21swapper/121:29:561
2709699157,0cyclictest3-21ksoftirqd/000:36:260
2709699150,0cyclictest16860-21sshd22:42:350
27099991413,0cyclictest0-21swapper/322:49:403
27099991411,0cyclictest0-21swapper/323:39:163
2709999140,0cyclictest31455-21sshd21:30:203
2709999140,0cyclictest0-21swapper/323:08:093
27098991413,0cyclictest0-21swapper/221:54:112
27098991411,0cyclictest13038-21bash22:22:592
27098991411,0cyclictest0-21swapper/221:12:012
2709899140,0cyclictest6980-21bash21:43:592
2709699143,0cyclictest3-21ksoftirqd/021:49:230
27096991413,0cyclictest0-21swapper/022:15:170
2709699140,0cyclictest0-21swapper/000:16:130
110050140,0irq/25-eth00-21swapper/323:00:213
110050140,0irq/25-eth00-21swapper/000:26:330
271130,0ktimersoftd/29855-21bash00:23:212
27099991312,0cyclictest19011-21diskmemload23:24:383
27099991312,0cyclictest0-21swapper/321:45:123
27099991312,0cyclictest0-21swapper/300:16:483
27099991312,0cyclictest0-21swapper/300:00:533
27099991311,0cyclictest0-21swapper/321:56:003
27098991312,0cyclictest31379-21sshd23:06:412
27098991312,0cyclictest0-21swapper/223:52:122
27098991312,0cyclictest0-21swapper/222:19:302
27098991311,0cyclictest0-21swapper/222:12:332
27098991311,0cyclictest0-21swapper/222:12:322
27097991312,0cyclictest0-21swapper/122:15:351
2709799130,0cyclictest5497-21sshd21:24:431
2709799130,0cyclictest0-21swapper/123:49:131
2709699137,0cyclictest3-21ksoftirqd/023:55:540
27096991312,0cyclictest27239-21sshd23:19:100
27096991312,0cyclictest0-21swapper/023:46:360
27096991312,0cyclictest0-21swapper/021:12:470
27096991310,0cyclictest14420-21sshd22:13:330
27096991310,0cyclictest14420-21sshd22:13:330
2709699130,0cyclictest0-21swapper/021:56:360
9950120,0irq/24-0000:00:5195-21sshd00:33:062
351120,0ktimersoftd/321047-21sshd21:29:243
271120,0ktimersoftd/20-21swapper/221:25:022
27099991210,0cyclictest0-21swapper/300:31:343
27098991211,0cyclictest655-21bash21:33:442
27098991211,0cyclictest1009-21irqstats00:05:192
27098991211,0cyclictest0-21swapper/222:26:012
27098991211,0cyclictest0-21swapper/222:26:012
27098991211,0cyclictest0-21swapper/221:23:592
27098991211,0cyclictest0-21swapper/200:04:382
27098991210,0cyclictest0-21swapper/223:40:572
27098991210,0cyclictest0-21swapper/200:37:372
27097991211,0cyclictest9854-21sshd23:36:331
27097991211,0cyclictest953-21sshd23:32:301
27097991211,0cyclictest5695-21sshd21:47:011
27097991211,0cyclictest25862-21bash22:24:181
27097991211,0cyclictest11710-21sshd23:08:001
27097991210,0cyclictest0-21swapper/122:57:391
2709799120,0cyclictest6096-21sshd21:56:391
2709699127,0cyclictest3-21ksoftirqd/023:08:490
2709699126,0cyclictest3-21ksoftirqd/022:48:480
27096991211,0cyclictest27563-21bash22:30:520
27096991211,0cyclictest19011-21diskmemload00:20:180
27096991210,0cyclictest0-21swapper/023:02:060
2709699120,0cyclictest0-21swapper/023:50:390
110050120,0irq/25-eth00-21swapper/223:01:542
110050120,0irq/25-eth00-21swapper/021:54:430
351110,0ktimersoftd/31453-21nfsd22:51:343
2709999110,0cyclictest0-21swapper/323:52:493
2709999110,0cyclictest0-21swapper/322:15:153
2709999110,0cyclictest0-21swapper/320:59:543
2709999110,0cyclictest0-21swapper/320:27:433
2709999110,0cyclictest0-21swapper/320:17:233
27098991111,0cyclictest19011-21diskmemload23:30:022
27098991110,0cyclictest0-21swapper/222:08:282
2709899110,0cyclictest0-21swapper/219:45:012
2709899110,0cyclictest0-21swapper/219:40:502
2709799119,0cyclictest0-21swapper/119:38:181
27097991111,0cyclictest0-21swapper/121:35:381
27097991111,0cyclictest0-21swapper/100:20:291
27097991110,0cyclictest11759-21bash22:13:161
27097991110,0cyclictest11759-21bash22:13:161
27097991110,0cyclictest0-21swapper/121:14:101
2709799110,0cyclictest9990-21sshd22:00:141
2709799110,0cyclictest0-21swapper/120:01:531
2709699119,0cyclictest0-21swapper/022:59:480
2709699118,0cyclictest26827-21sshd23:28:400
2709699117,0cyclictest3-21ksoftirqd/023:34:320
2709699117,0cyclictest3-21ksoftirqd/022:09:490
2709699116,0cyclictest3-21ksoftirqd/021:27:200
2709699116,0cyclictest3-21ksoftirqd/000:05:190
2709699115,0cyclictest3-21ksoftirqd/023:43:070
2709699115,0cyclictest3-21ksoftirqd/022:00:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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